Patents by Inventor Bjarne Hagbart Bjerre

Bjarne Hagbart Bjerre has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Communication device with shared interior resonance chambers
    Patent number: 6922471
    Abstract: The invention relates to a communication device comprising a housing enclosing at least one loudspeaker and at least part of at least one antenna inside the housing. This at least one loudspeaker comprises an acoustic resonance chamber while said at least one antenna comprises at least one electromagnetic resonance chamber. The invention teaches that the acoustic resonance chamber can be located completely or partly within the electromagnetic resonance chamber.
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: July 26, 2005
    Assignee: Sony Ericsson Mobile Communications AB
    Inventors: Ion Marqvardsen, Bjarne Hagbart Bjerre